/*
 *  Copyright 2013 National Institute of Advanced Industrial Science and Technology
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.sss.mapreduce;

import org.sss.mapreduce.datatype.Packable;

public interface Output<K extends Packable, V extends Packable> {
/**
   * User-defined <tt>map</tt>/<tt>reduce</tt> method should call this method to
   * output a tuple to SSS.
   *
   * @param  key    a key <code>Packable</code> object
   * @param  value  a value <code>Packable</code> object
   * @throws SssException
   * @see    org.sss.mapreduce.datatype.Packable
   */
  void write(K key, V value) throws SssException;
}
